Watch-winding mechanism



R. E. MORELAND.

' WATCH WINDING MECHANISM.

No. 451,566. Patented May 5,1891.

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In: News PETERS CO1, PHDTO-LIYHO, WASH NGTON, v. C.

UNITED STATES PATENT .(lrrion.

ROSIVELL E. MORELAND, OF TRENTON, NElV JERSEY.

WATCH-WINDING MECHANISM.

SPECIFICATION forming part of Letters Patent No. 451,566, dated May 5,1891.

Application filed June 5, 1890- fierial No, 354,348. (No model.

To all whom it may concern:

Be it known that I, RoswELL E. MORE- LAND, a citizen of the UnitedStates, residing at Trenton, in the county of Mercer and State of NewJersey, have invented certain new and useful Improvements in Vatches, ofwhich the following is a specification.

My invention relates to the attachment of the ratchet-wheel to itsbearings; and its object is to provide means of attaching and confiningthe ratchet-wheel to its bearings in such manner as to obviate thepresent unsatisfactory means for securing the same in its place and toretain the wheel on its bearings while the movement is being repairedand is but partially assembled, thus saving the person manipulating themovement trouble and care.

I shall now describe my said invention with reference to the drawings,in which Figure 1 is a plan view of the front of the pillar-plate of awatch-movement; Fig. 2, a plan view of the back of said plate; Fig. 3, aplan view of the back of said plate with the ratchet -wheel attachedthereto in my improved manner; Fig. 4, a front View of said plate,showing my means of attaching the ratchet-wheel; Fig. 5, a plan view ofthe back of a ratchet-wheel; Fig, 6, a side view of the ratchet-wheelwith the arbor attached thereto; Fig. 7, the collet or band forattaching the wheel to the plate; and Fig. 8, the barrel-arbor, thebarrel being removed.

- Heretofore the usual means of holding the ratchet-wheelin place hasbeen a bridge proj ecting over the plate which served to hold the Wheelagainst the plate, and unless the plate was countersunk to hold thewheel the wheel would slip out of place in horizontal plane as soon asthe barrel and barrel-arbor were removed from their places. Even whenthe plate was countersunk the ratchet-wheel necessarily had some lateralmotion when the barrel-arbor was removed, and it required readjustmentpreparatory to reassembling the movement, a matter of considerableinconvenience.

My improvement consists in providing the ratchet-wheel with an arborwhich is passed through the pillar-plate, and in attaching to the outerend of the arbor a collet or band. The ratchet-wheel being on one sideof the pillar-plate and the collet on the other side, the wheel is heldexactly in its place. The ratchet-wheel arbor is provided throughout itslength, or a part thereof, with arectangular recess into which thebarrel-arbor fits snugly, thus causing the barrel to turn with theratchet.

In assembling a watch-movement containing my improvement theratchet-wheel arbor is passed through the hole in the pillar-plate(shown at l) in Fig. 2) and the ratchet-wheel is brought into position,as shown in Fig. The collet c is then sprung, screwed, or riveted on theratchet-wheel arbor, fitting snugly against the shoulder shown on thearbor in Fig. 6. The square end d of the barrel-arbor is then insertedin the rectangular opening in the ratchet-wheel arbor (shown at e inFig. 4) and the barrel is passed to its place and the adjustment iscomplete.

It will be obvious that in using my improved-device it is unnecessary tocountersink the pillar-plate for the ratchet-wheel, and that theratchet-wheel may be placed on either side of the plate by making theratchetwheel arbor hollow throughout its entire length to receive ateither end the rectangular end of the barrel-arbor. It will also beapparent that my device may be used with equal advantage in attachingthe ratchetwheel to the top plate when it is desired to use that platefor the purpose. Again, it will be seen that the details of my devicemay be somewhat varied without departing from my invention. Forinstance, the ratchet-wheel arbor may be made solid and the barrel-arborhollowed to receive the same, and with such construction instead of thecollet or band a pin or similar fastening in the ratchet-wheel arbor maybe used; but I have shown herein what I consider to be the best mannerof applying my improvement.

lVhat I claim as new, and desire to secure by Letters Patent, is

1. In a watch-movement, a ratchet-wheel, a stub-arbor carrying theratchet-wheel only, said stub-arbor engaging with the mainspringarbor,and a fastening device for detachably securing the stub-arbor in theplate, substanfastening device on the same side of the plate tially asdescribed. as the mainspring for securing the stub-ar- 2. In aWatch-movement, the combination, her in the plate, substantially asdescribed. 10 with the plate, of a ratchet-wheel, a stub-ar- ROSWELL E.MORELAND. 5 bor supporting said Wheel in the plate and Witnesses:

engaging with a separate arbor for the main- F. W. GNIOHTEL,

spring on the other side of the plate, and a F. O. LOWTHORP, J r.

